smt封装电路板缺陷三维在线检测技术

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1、第四章图像处理算法................................................................................................314.1设置图像ROI区域.......................................................................................314.2图像预处理算法................................................................

2、............................324.2.1均值滤波..............................................................................................324.2.2中值滤波..............................................................................................324.2.3高斯滤波.................................

3、.............................................................334.2.4基于小波变换的图像去噪..................................................................334.3光条中心提取算法.........................................................................................364.3.1细化法.........................

4、.........................................................................364.3.2灰度重心法..........................................................................................374.3.3Hessian矩阵法.....................................................................................384.3

5、.4自适应光条中心提取算法..................................................................39第五章实验及结果分析..........................................................................................435.1系统装置............................................................................................

6、............435.2系统标定实验................................................................................................435.3系统精度验证................................................................................................465.4SMT封装电路板缺陷三维检测实验...................................

7、........................475.4.1SMT封装电路板典型缺陷.................................................................485.4.2SMT封装电路板缺陷实际测量.........................................................49第六章总结与展望......................................................................................

8、..............526.1全文总结...